Home / 231,541.70-347,074.38-105,269.78

Finding the Fourth Proportional to 231,541.70, 347,074.38 and 105,269.78

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Solution

The fourth proportional to 231,541.70, 347,074.38 and 105,269.78 is: 157,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,541.70 : 347,074.38 = 105,269.78 : x
  2. Step 2: Convert to fraction form
    231,541.70/347,074.38 = 105,269.78/x
  3. Step 3: Cross multiply
    231,541.70x = 347,074.38 × 105,269.78
  4. Step 4: Simplify right side
    231,541.70x = 36,536,443,626.24
  5. Step 5: Solve for x
    x = 36,536,443,626.24/231,541.70
  6. Step 6: Final answer
    x = 157,796.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.